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| A study on the association between pulse blood pressure and cognitive function among the elders in Yuhuan County of Zhejiang Province |
| YING Xu-hua, LI Song-tao, ZHAI Yu-jia, SHANG Xiao-peng, HE Fan, SHEN Wei
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| The Center for Disease Control and Prevention of Zhejiang Province, Taizhou, Zhejiang, 317600, China |
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Abstract Objective To explore the relationship between pulse blood pressure and cognitive function for the elders in Yuhuan County, Zhejiang Province.Methods Multi-stage cluster method was used to select 1 700 residents aged over 60 years in Yuhuan County, Zhejiang Province. Mini-Mental State Examination (MMSE) was used to screen cognitive impairment. Locally weighted scatter plot smoothing was used to explore the local linear trend between MMSE score and diastolic. The association between pulse pressure or blood pressure and cognitive function was analyzed by multivariate logistic regression analysis.Results The prevalence of cognitive impairments for the elders aged over 60 years in Yuhuan County was 15.74%. There was significant difference between the pulse blood pressure of cognitive impairment group (64.01±16.31) mmHg and none-cognitive impairment group (58.97±14.67) mmHg.The t value was 4.97. Pulse blood pressure and the elderly MMSE score showed a significant positive correlation. Multivariate logistic regression analysis showed that cognitive function related to diastolic blood pressure (OR= 1.010, 95% CI1.001-1.019,P=0.034) after adjusting several covariate.Conclusion Normal cognitive function was associated with decreased pulse blood pressure among the elders aged over 60 years in Yunhuan County, Zhejiang Province.
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Received: 13 May 2016
Published: 11 December 2017
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